1123012210321 has 2 divisors, whose sum is σ = 1123012210322. Its totient is φ = 1123012210320.

The previous prime is 1123012210259. The next prime is 1123012210339. The reversal of 1123012210321 is 1230122103211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1106049752721 + 16962457600 = 1051689^2 + 130240^2 .

It is a cyclic number.

It is not a de Polignac number, because 1123012210321 - 2³¹ = 1120864726673 is a prime.

It is a super-2 number, since 2×1123012210321² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1123012210351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561506105160 + 561506105161.

It is an arithmetic number, because the mean of its divisors is an integer number (561506105161).

Almost surely, 2^{1123012210321} is an apocalyptic number.

It is an amenable number.

1123012210321 is a deficient number, since it is larger than the sum of its proper divisors (1).

1123012210321 is an equidigital number, since it uses as much as digits as its factorization.

1123012210321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 1123012210321 its reverse (1230122103211), we get a palindrome (2353134313532).

The spelling of 1123012210321 in words is "one trillion, one hundred twenty-three billion, twelve million, two hundred ten thousand, three hundred twenty-one".